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13002303001 = 17764841353
BaseRepresentation
bin11000001101111111…
…10110011000011001
31020120011010102120211
430012333312120121
5203112042144001
65550112251121
7640131515632
oct140677663031
936504112524
1013002303001
115572508766
12262a540aa1
1312c29ca01c
148b4ba8889
15511759351
hex306ff6619

13002303001 has 4 divisors (see below), whose sum is σ = 13767144372. Its totient is φ = 12237461632.

The previous prime is 13002302993. The next prime is 13002303011. The reversal of 13002303001 is 10030320031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4300211776 + 8702091225 = 65576^2 + 93285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002303001 - 23 = 13002302993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002303011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382420660 + ... + 382420693.

It is an arithmetic number, because the mean of its divisors is an integer number (3441786093).

Almost surely, 213002303001 is an apocalyptic number.

It is an amenable number.

13002303001 is a deficient number, since it is larger than the sum of its proper divisors (764841371).

13002303001 is an equidigital number, since it uses as much as digits as its factorization.

13002303001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764841370.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 13002303001 its reverse (10030320031), we get a palindrome (23032623032).

The spelling of 13002303001 in words is "thirteen billion, two million, three hundred three thousand, one".

Divisors: 1 17 764841353 13002303001